204 Memoir Sears Foundation for Marine Research 



6a. Caudal only about as long as from tip of snout to 5th gill opening} 

 color pattern white-spotted on dark ground tint. 



/orm Howell-Rivero, 1936, p. 211. 

 6b. Caudal about as long as from tip of snout to axil of pectoral} color 

 pattern dusky or black-spotted on pale ground tint. 



boa Goode and Bean, 1895, p. 204. 

 5b. Base of anal only as long as base of ist dorsal, or shorter. 



torazame Ta.mka., 1908. 

 Japan. 



Scyliorhinus boa Goode and Bean, 1895. 



Figure 32 



Study Material. Type specimen, a newly-hatched male, 1 5 1 mm. long, in poor con- 

 dition, from Barbados, in 200 fathoms (Harv. Mus. Comp. ZooL, No. 1335); newly- 

 hatched male, 87 mm. long, from north coast of Cuba, in 235 fathoms (Harv. Mus. Comp. 

 ZooL, No. 36156)} half-grown male, 316 mm. long, taken 25 to 30 miles ESE. from 



Figure 32. Scyliorhinus boa, immature male, 316 mm. long, from near Rio de Janeiro, Brazil (Mus. Nac. 

 Rio de Janeiro). A Anterior part of head from below to show nostril and labial furrows, about I.4 x natural 

 size. B Side view of anterior part of head, almost 1.5 x natural size. C Dermal denticles, about 14 x. Z) Upper 

 teeth from side of jaw, enlarged. 



